/Engine/Source/Runtime/CoreUObject/Public/UObject/Field.h
Find the metadata value associated with the key and localization namespace and key
Localized metadata if available, defaults to whatever is provided via GetMetaData
const [FText](API\Runtime\Core\Internationalization\FText) GetMetaDataText ( const TCHAR * MetaDataKey, const [FString](API\Runtime\Core\Containers\FString) LocalizationNamespace, const [FString](API\Runtime\Core\Containers\FString) LocalizationKey ) const